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Cachiyacuy contamanensis

Osteichthyes - Rodentia

Taxonomy
Cachiyacuy contamanensis was named by Antoine et al. (2011). Its type specimen is MUSM 1871, a tooth (right M2), and it is a 3D body fossil. Its type locality is CTA-27, which is in a Priabonian/Rupelian terrestrial claystone in the Pozo Formation of Peru. It is the type species of Cachiyacuy.

Synonymy list
YearName and author
2011Cachiyacuy contamanensis Antoine et al. p. 1320 figs. 2a-k

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
—Caviomorpha(Wood and Patterson 1955)
genusCachiyacuy
speciescontamanensis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Cachiyacuy contamanensis Antoine et al. 2011
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Diagnosis
ReferenceDiagnosis
P. O. Antoine et al. 2011Cachiyacuy contamanensis (body mass esti-
mated at 80–120 g) is approximately 30 per cent larger than C. kummeli. Differs from C. kummeli in having upper molars with generally buccal cusps and styles more marked, and lower molars sometimes developing accessory enamel crests.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Nowak 1999, Ji et al. 2002, Lillegraven 1979

Age range: base of the Middle Eocene to the top of the Rupelian or 48.07000 to 27.30000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Middle Eocene48.07 - 37.71Peru (Loreto) Cachiyacuy contamanensis (176140)
Late/Upper Eocene37.71 - 33.9Peru Cachiyacuy contamanensis (207061 207062)
Priabonian - Rupelian37.71 - 27.3Peru (Loreto) Cachiyacuy contamanensis (type locality: 144474)
Rupelian33.9 - 27.3Peru (Departamento de Ucayali) Cachiyacuy contamanensis (149523)
Rupelian - Chattian33.9 - 23.04Peru (Loreto) Cachiyacuy contamanensis (176129)